extends base/base

append content
  aside.col-md-3
    nav
      ul(class='nav nav-pills nav-stacked')
        li
          a(href='?all=true') 全部图书
        li
          a(href='?is_out=0') 未借阅
        li
          a(href='?is_out=1') 已借阅

  section(class='describe col-md-9')

  div(id='page-selection',class='col-md-6 col-md-offset-3')
